—I like the yellow new Beetle. —A smart car but we can’t afford_________ for the time being.

If I can help_______, I don't like working late into the night.

—What are you two whispering about over there?—Oh, ________. Just small talk.

_____ the old man’s sons wanted to know was _____ the gold had been hidden.

The wider China opens its door to the outside world, the more people find _____important and necessary to study foreign languages.